Add script to update requirements.txt locally

tools/perspective-scripts/update_python.mjs

@@ -0,0 +1,56 @@
+// ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
+// ┃ ██████ ██████ ██████       █      █      █      █      █ █▄  ▀███ █       ┃
+// ┃ ▄▄▄▄▄█ █▄▄▄▄▄ ▄▄▄▄▄█  ▀▀▀▀▀█▀▀▀▀▀ █ ▀▀▀▀▀█ ████████▌▐███ ███▄  ▀█ █ ▀▀▀▀▀ ┃
+// ┃ █▀▀▀▀▀ █▀▀▀▀▀ █▀██▀▀ ▄▄▄▄▄ █ ▄▄▄▄▄█ ▄▄▄▄▄█ ████████▌▐███ █████▄   █ ▄▄▄▄▄ ┃
+// ┃ █      ██████ █  ▀█▄       █ ██████      █      ███▌▐███ ███████▄ █       ┃
+// ┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫
+// ┃ Copyright (c) 2017, the Perspective Authors.                              ┃
+// ┃ ╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌ ┃
+// ┃ This file is part of the Perspective library, distributed under the terms ┃
+// ┃ of the [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0). ┃
+// ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
+
+/// Use this script to update the `requirements-*.txt` files in the
+/// `python/perspective` directory. This only needs to be done when the actual
+/// dependencies _or_ supported Python versions change - to update these deps
+/// otherwise is to invite the wrath of the CI gods.
+
+import sh from "./sh.mjs";
+import * as fs from "fs";
+
+const VERSIONS = [
+    // "3.7",
+    "3.8",
+    "3.9",
+    "3.10",
+    "3.11",
+];
+
+for (const version of VERSIONS) {
+    sh`
+        pip3 install "python/perspective[dev]" 
+        --dry-run
+        --report=report.json
+        --python-version=${version} 
+        --only-binary=:all: 
+        --platform=manylinux_2_12_x86_64 
+        --platform=manylinux_2_17_x86_64 
+        --ignore-installed 
+        --target=.
+    `.runSync();
+
+    const data = JSON.parse(fs.readFileSync("report.json"));
+    let output = "";
+    for (const {
+        metadata: { version, name },
+    } of data.install) {
+        output += `${name}==${version}\n`;
+    }
+
+    fs.writeFileSync(
+        `python/perspective/requirements-${version.replace(".", "")}.txt`,
+        output
+    );
+}
+
+fs.rmSync("report.json");